root
42 lines
1.2 KiB
PHP
42 lines
1.2 KiB
PHP
<?php
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namespace App\Services;
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final class FinancialCategorySummaryService
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{
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/**
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* Classify grouped rows from the legacy expenses table by accounting meaning.
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* Donation rows are incoming funds, not school expenses.
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*/
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public static function summarize(array $rows): array
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{
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$expenseCategories = [];
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$totalExpenses = 0.0;
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$donationIncome = 0.0;
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foreach ($rows as $row) {
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$category = trim((string) ($row['category'] ?? '')) ?: 'Uncategorized';
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$amount = round((float) ($row['amount'] ?? $row['total_amount'] ?? 0), 2);
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if ($amount <= 0) {
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continue;
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}
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if (strcasecmp($category, 'Donation') === 0) {
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$donationIncome += $amount;
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continue;
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}
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$expenseCategories[$category] = round(($expenseCategories[$category] ?? 0) + $amount, 2);
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$totalExpenses += $amount;
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}
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arsort($expenseCategories, SORT_NUMERIC);
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return [
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'totalExpenses' => round($totalExpenses, 2),
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'donationIncome' => round($donationIncome, 2),
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'expenseCategories' => $expenseCategories,
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];
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}
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}
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